Results 51 to 60 of about 6,139 (291)
Digital Technology's Role in Circular Waste Management: A Systematic Review
Business Strategy and the Environment, EarlyView.ABSTRACT Combining circular economy ideas with digital tools offers a game‐changing way to tackle global sustainability problems. This paper focuses on how digital changes and circular economy models link up. A review has been conducted for 112 articles from 2021 to September 2025, using PRISMA‐2020 methodology. This study covered new tech like AI, IoT,
Reza Eslamipoor
wiley +1 more source
Chengshi guidao jiaotong yanjiu[Objective] In contrast to the planned and faulty maintenance modes commonly used in modern metro vehicles, condition-based repair can capture the health status and operation condition of the vehicle system while optimizing maintenance strategies and ...
Lei ZHANG, Bin Han, Qianqi FAN
doaj +1 more source
Corporate Social Responsibility and Environmental Management, EarlyView.ABSTRACT This research analyses the carbon footprint of the NGO Madre Coraje, using an integrated methodology that combines the calculator provided by REAS (Red de Economía Alternativa y Solidaria) Navarra and the Life Cycle Assessment (LCA). It quantifies emissions across the three scopes of the Greenhouse Gas Protocol, evaluating both direct and ...
José Fernandez‐Serrano +2 more
wiley +1 more source
Verification Test of Electric-pneumatic Braking for Metro Vehicle of Beijing Metro Line 8 II Project
机车电传动, 2017 In order to develop the electric-pneumatic braking and electric braking capability for metro vehicle of Beijing metro line 8 II project, a verification test is very necessary.
LI Yunfeng, QING Yun, LI Changqing
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Economic Analysis of Urban Rail Transit Train Service Life Extension Based on Whole Life-cycle Cost
Chengshi guidao jiaotong yanjiu[Objective] In evaluating the service life extension of urban rail transit trains, economic calculation serves as a key basis for decision-making and plays a critical role in determining whether to carry out life extension and associated upgrade ...
ZHOU Jiong +5 more
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Deep Underground Science and Engineering, EarlyView.Aiming at the scientific frontiers of in situ fluidized mining of deep resources, a deep coal fluidized pipeline lifting system based on hydraulic conveying has been proposed. To solve the issue of particle sedimentation of large particles in horizontal connection sections, a solution involving the installation of guide vane‐type swirlers in the ...
Jiusheng Bao +5 more
wiley +1 more source
Study on Grounding System of the Metro Vehicles
, 2020 The function of the grounding system is related to the operation performance of the metro vehicles, so it has special significance to conduct a research. The classification and definition of the vehicle grounding was introduced, including protective earthing, functional bonding and EMC-related grounding.
Mingyuan HAO +4 more
openaire +1 more source
Deep Underground Science and Engineering, EarlyView.This study investigated the spatial patterns and development mechanisms of urban underground space (UUS) in Shanghai using underground points of interest data. It revealed distinct development mechanisms between the main city and suburbs, highlighting the need for differentiated UUS planning and policies to optimize underground space resources ...
Chenxiao Ma +3 more
wiley +1 more source
Analysis on Aerodynamic Parameters for Rapid Metro Vehicle Design
DEStech Transactions on Engineering and Technology Research, 2017 Regarding rapid metro vehicle, the possible aerodynamic effects of vehicle are described and the analysis of vehicle design parameters related to the aerodynamic effect and their change rule are briefly introduced. This paper, from one side, provides a basis for the design of rapid metro vehicle.
WENTIAN TANG, LILI WANG
openaire +2 more sources
机车电传动, 2019 Combined with the actual metro line and vehicle electric parameters, the electrical characteristics of rectifier unit was analyzed in detail and the calculation method of short-circuit current occurring on the metro vehicle was proposed based on the ...
Lei SUN +5 more
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